Exploring Number Factors

What are the factors of 24?

• 1, 2, 3, 4, 6, 8, 12, 24

• 13, 14, 17, 19

• 15, 18, 20, 22

• 5, 7, 9, 10

List all the prime factors of 30.

• 1, 2, 3

• [2, 3, 5]

• 3, 4, 5

• 2, 5, 6

What are the common factors of 12 and 18?

• 2, 3, 5, 15

• 1, 2, 3, 6

• 1, 5, 7, 10

• 4, 8, 9, 12

Identify the factors of 36.

• [1, 2, 3, 4, 6, 9, 12, 18, 36]

• 10

• 7

• 5

Determine the prime factors of 56.

• 2, 7

• 1, 56

• 3, 19

• 4, 14

What are the common factors of 15 and 25?

• 1, 5

• 3, 15

• 2, 25

• 5, 10

List the factors of 45.

• 2, 4, 6, 8, 10, 12

• 7, 14, 21, 28, 35, 42

• [1, 3, 5, 9, 15, 45]

• 11, 13, 17, 19, 23, 29

Find the prime factors of 81.

• 3

• 5

• 7

• 2

What are the factors of 50?

• 7, 14, 21, 35, 49

• 1, 2, 5, 10, 25, 50

• 3, 6, 15, 20, 30

• 4, 8, 12, 16, 24

Identify the common factors of 8 and 12.

• [1, 2, 4]

• [4, 6, 8]

• [2, 3, 6]

• [1, 3, 5]